GB760936A - A new or improved screw tapping tool - Google Patents

A new or improved screw tapping tool

Info

Publication number
GB760936A
GB760936A GB2761953A GB2761953A GB760936A GB 760936 A GB760936 A GB 760936A GB 2761953 A GB2761953 A GB 2761953A GB 2761953 A GB2761953 A GB 2761953A GB 760936 A GB760936 A GB 760936A
Authority
GB
United Kingdom
Prior art keywords
new
tapping tool
elements
improved screw
screw tapping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2761953A
Inventor
Frederick John Bates
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Frederick Bates & Co Birmingha
Original Assignee
Frederick Bates & Co Birmingha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Frederick Bates & Co Birmingha filed Critical Frederick Bates & Co Birmingha
Priority to GB2761953A priority Critical patent/GB760936A/en
Publication of GB760936A publication Critical patent/GB760936A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G5/00—Thread-cutting tools; Die-heads
    • B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
    • B23G5/06—Taps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G2200/00—Details of threading tools
    • B23G2200/36—Tools having provision to produce threads of more than one type or size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G2200/00—Details of threading tools
    • B23G2200/38—Tools with shanks having a working end at each end of the shank

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

760,936. Taps. BATES & CO. (BIRMINGHAM), Ltd., F. Oct. 4, 1954 [Oct. 8, 1953], No. 27619/53. Class 83 (3). A screw-tap comprises a body 10 engageable by means for turning it, and a number of coaxial differentlysized thread-cutting elements 12 extending from each end of the body, elements of adjacent diameters being located at opposite ends of the body. The said means may be a tommy-bar engaging a hole 11 in the body or the body may be of non-circular cross-section for engagement by a wrench &c. Flutes 13, e.g. four in number, extend along the elements.
GB2761953A 1953-10-08 1953-10-08 A new or improved screw tapping tool Expired GB760936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2761953A GB760936A (en) 1953-10-08 1953-10-08 A new or improved screw tapping tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2761953A GB760936A (en) 1953-10-08 1953-10-08 A new or improved screw tapping tool

Publications (1)

Publication Number Publication Date
GB760936A true GB760936A (en) 1956-11-07

Family

ID=10262544

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2761953A Expired GB760936A (en) 1953-10-08 1953-10-08 A new or improved screw tapping tool

Country Status (1)

Country Link
GB (1) GB760936A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381488A (en) * 2001-11-02 2003-05-07 Tzung Yen Wu Threading tool
WO2004076109A1 (en) * 2003-02-27 2004-09-10 Vilmanyi Laszlo Indexable threading tap
WO2016033855A1 (en) * 2014-09-01 2016-03-10 四川省外贸机械进出口有限责任公司 Screw tap with double-head stepped quick-changing shank
CN110614479A (en) * 2019-10-14 2019-12-27 瓦房店冶金轴承集团有限公司 Processing method of double threaded holes of retainer assembly and double-step single-spiral screw tap used by same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381488A (en) * 2001-11-02 2003-05-07 Tzung Yen Wu Threading tool
WO2004076109A1 (en) * 2003-02-27 2004-09-10 Vilmanyi Laszlo Indexable threading tap
WO2016033855A1 (en) * 2014-09-01 2016-03-10 四川省外贸机械进出口有限责任公司 Screw tap with double-head stepped quick-changing shank
CN110614479A (en) * 2019-10-14 2019-12-27 瓦房店冶金轴承集团有限公司 Processing method of double threaded holes of retainer assembly and double-step single-spiral screw tap used by same

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